ARM: S3C: Rename s3c_device_usb to s3c_device_ohci

Prepare for the forthcoming device changes by renaming s3c_device_usb to
s3c_device_ohci as this is what the device represents.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index 2068e90..347eb6d 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -506,7 +506,7 @@
 };
 
 static struct platform_device *mini2440_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 /*	&s3c_device_adc,*/ /* ADC doesn't like living with touchscreen ! */
 	&s3c_device_i2c0,